152021458 has 16 divisors (see below), whose sum is σ = 235975680. Its totient is φ = 73375200.

The previous prime is 152021449. The next prime is 152021477. The reversal of 152021458 is 854120251.

152021458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×152021458² = 46221047384891528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23878 + ... + 29566.

It is an arithmetic number, because the mean of its divisors is an integer number (14748480).

Almost surely, 2^152021458 is an apocalyptic number.

152021458 is a deficient number, since it is larger than the sum of its proper divisors (83954222).

152021458 is a wasteful number, since it uses less digits than its factorization.

152021458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 152021458 is about 12329.6982120407. The cubic root of 152021458 is about 533.7054419674.

The spelling of 152021458 in words is "one hundred fifty-two million, twenty-one thousand, four hundred fifty-eight".